Automobile steering lock

Abstract

An anti-theft device for attachment to a steering wheel of an automobile comprising a U-shaped solid pressing rod, two vertical elongated pinching plates welded in parallel with two ends of the U-shaped rod, a socket having a passageway for an insertable lock to insert therein and a insertable lock having one or more elastically retractable projections and an extensible rod. The two vertical pinching plates are placed to pinch a portion of a steering wheel of an automobile and the lock is to be inserted in the passageway in the socket, with the projection(s) engaging the notch(es) in the end surface of the socket and the end of the extensible rod engaging the through hole in the rear pinching plate to lock this device by turning a key inserted in the lock.

What is claimed is: 
     
       1. An anti-theft device for attachment to a steering wheel of an automobile comprising; a substantially U-shaped solid pressing rod having both ends welded on two pinching plates and a bent corner portion to extend on a gauge panel board in an automobile;   said two pinching plates having their side surfaces curved to conform to a curvature of a steering wheel, a front pinching plate having a hole in the middle lower portion for a rear end of a socket to fit and be affixed firmly therein, a rear pinching plate having a through hole in the middle lower portion for an end of an extensible rod in a lock to fit therein;   said lock having the same form as an interior hollow passageway in said socket affixed with said front pinching plate so as to be pushed in said socket in locking this anti-theft device, said lock having one or more projections extending elastically out of its outer surface, and said extensible rod to extend into said through hole in said rear pinching plate when this device is locked by a correct key;   said socket having one or more notches for said projection(s) in said lock to engage in locking a steering wheel.   
     
     
       2. The anti-theft device for attachment to a steering wheel of an automobile as claimed in claim 1, wherein said two pinching plates can be placed to pinch a portion of a steering wheel of an automobile for locking this device on the steering wheel. 
     
     
       3. The anti-theft device for attachment to a steering wheel of an automobile as claimed in claim 1, wherein said extensible rod in said lock has a length longer than the distance between said two pinching plates. 
     
     
       4. The anti-theft device for attachment to a steering wheel of an automobile as claimed in claim 1, wherein said extensible rod has a cross-section the same as the shape of said through hole in said rear pinching plate.